Commit df58fae7 authored by Steve French's avatar Steve French

smb3: Incorrect size for netname negotiate context

It is not null terminated (length was off by two).

Also see similar change to Samba:

https://gitlab.com/samba-team/samba/merge_requests/666Reported-by: default avatarStefan Metzmacher <metze@samba.org>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
parent 2617474b
......@@ -503,8 +503,7 @@ build_netname_ctxt(struct smb2_netname_neg_context *pneg_ctxt, char *hostname)
pneg_ctxt->ContextType = SMB2_NETNAME_NEGOTIATE_CONTEXT_ID;
/* copy up to max of first 100 bytes of server name to NetName field */
pneg_ctxt->DataLength = cpu_to_le16(2 +
(2 * cifs_strtoUTF16(pneg_ctxt->NetName, hostname, 100, cp)));
pneg_ctxt->DataLength = cpu_to_le16(2 * cifs_strtoUTF16(pneg_ctxt->NetName, hostname, 100, cp));
/* context size is DataLength + minimal smb2_neg_context */
return DIV_ROUND_UP(le16_to_cpu(pneg_ctxt->DataLength) +
sizeof(struct smb2_neg_context), 8) * 8;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment